Home / 384,111.18-530,073.33-212,029.08

Finding the Fourth Proportional to 384,111.18, 530,073.33 and 212,029.08

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Solution

The fourth proportional to 384,111.18, 530,073.33 and 212,029.08 is: 292,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,111.18 : 530,073.33 = 212,029.08 : x
  2. Step 2: Convert to fraction form
    384,111.18/530,073.33 = 212,029.08/x
  3. Step 3: Cross multiply
    384,111.18x = 530,073.33 × 212,029.08
  4. Step 4: Simplify right side
    384,111.18x = 112,390,960,492.44
  5. Step 5: Solve for x
    x = 112,390,960,492.44/384,111.18
  6. Step 6: Final answer
    x = 292,600.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.